Evidence of curvature in the CO(2–1) emitting regions. Top panels: comparison between the CO emission in the reddest and bluest 5 km s-1 intervals of the EHV range for each ALMA field. First contour and contour interval are 0.5 K km s-1. Bottom panels: first moment maps of the CO(2–1) emission. As in Fig. 4, the velocity scale has been centered on zero by correcting for the source and jet velocities. Data outside the elliptical regions have been masked out as a result of their low signal-to-noise ratio. The wedge to the right shows the scale in km s-1.
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